Shure SM11 Dynamic Lavalier Microphone
Shure SM11 Dynamic Lavalier Microphone
The Shure SM11 is a miniature dynamic lavalier microphone designed for use in television broadcasting, sound reinforcement, certain radio and motion picture applications, and similar uses where a small, professional-quality microphone is required. The SM11 has an omnidirectional pickup pattern, and its frequency response is optimized for lavalier use. The microphone is supplied with a tie clasp assembly, tie tack assembly, connector belt clip, and zippered carrying bag.
Features:
- Acoustically matches most stand- or desk-mounted microphones
- Small and lightweight for unobtrusive, virtually unseen operation
- Smooth exterior and recessed grille screen minimize clothing noise
- Rugged aluminum case construction
- Extremely flexible long-life cable
- Two mounting options — tie clasp or tie tack
- Convenient, secure belt clip attaches connector to belt or clothing
Specifications:
- Type: Dynamic
- Frequency Response: 50 to 15,000 Hz
- Polar Pattern: Omnidirectional
- Impedance: Microphone rating impedance is 150 ohms (200 ohms actual) for connection to microphone inputs rated at 19 to 300 ohms
- Output Level (at 1,000 Hz):
- Open Circuit Voltage: -64 dBV/Pa (0.60 mV) (1 Pa = 94 dB SPL)
- Polarity: Positive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
- Hum Pickup: 35 dB equivalent SPL in a 1 millioersted field
- Cable: Non-detachable, 1.2 m (48 in.), two-conductor, shielded, plastic-covered
- Connector: Professional three-pin audio (XLR)
- Case: Aluminum with gray enamel finish
- Dimensions: 33.5 mm (1 – 5/16 in.) in length and 14.7 mm (9/16 in.) in diameter